<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>元素定位</title>
    <style>
        #meg, h1 {
            color: red;
        }
        .fu {
            color: yellow;
        }
    </style>
</head>
<body>
    <h1>祝大家牛年大吉！</h1>
    <p id="meg">开门迎福！</p>
    <p class="fu">四季发财！</p>
    <p class="fu">旗开得胜！</p>
    <p>加油</p>
</body>
</html>